Junks, an evil alien scourge, are flooding Quad-Gal with terror. Combat K are sent on a mission to find an alien artefact which could win the war all at once.
SLAM-dropped to Cloneworld - a planet ravaged by violent civil war - Combat K get caught in a global conflict between augmented mechanised war machines and genetically modified humans who have the ability to clone themselves. Combat K must fight their way to victory to save the Four Galaxies.
But how can they possibly succeed, when their main foes are their own elite, deadly clones?